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Biology Quiz 7

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Biology Quiz 7

1 / 50

The first bacterium isolated was_________________?

2 / 50

Visible light used in photosynthesis ranges from:__________?

3 / 50

The increase in pH of blood has ________ effect on the oxygen carrying capacity of haemogolobin?

4 / 50

Melanin pigment in cockroach is found in__________?

5 / 50

Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on___________?

6 / 50

Who is Called the Father of Demography?

7 / 50

The respiratory problem most common in smokers is_________?

8 / 50

Which of the following statement about Homeostasis is incorrect?

9 / 50

Coelom is lined by__________?

10 / 50

Far-red light promotes flowering in_______________?

11 / 50

Which one is a micromolecule__________?

12 / 50

The first stage of development in which a cavity appears is the__________?

13 / 50

Serum differs from blood in________?

14 / 50

An increrase in plant girth due to activity of _____________ is called secondary growth?

15 / 50

Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong________?

16 / 50

In condition of high temperature, following does not occur or occurs at low level__________?

17 / 50

Most of the photosynthesis on earth is carried by__________?

18 / 50

Number of spiracles present in the thorax of cockroach is___________?

19 / 50

In bryophytes fertilization takes place in___________?

20 / 50

Which of the following is the smallest known virus:

21 / 50

There are __________ types of nutrients needed by plants besides light to carry out photosynthesis

22 / 50

How many liters of saliva inhale by a Human?

23 / 50

Which of the following is the empirical formula of chlorophyll b?

24 / 50

Which of the following virus has special affiliations with the tumor production:

25 / 50

Which one of the following is avascular structure?

26 / 50

The simplest amino acid is_________?

27 / 50

Exact replica of chromosome refers to ___________?

28 / 50

The bond formed when two or more atoms complete their electron shells by sharing electrons is called_____________?

29 / 50

Which of the followings is missing from the nervous system of planaria_____________?

30 / 50

Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap

31 / 50

In which phase of cell cycle cell organelles are formed?

32 / 50

Human body makes about 20 million erythrocytes in__________?

33 / 50

In animals coordination is achieved by means of_________?

34 / 50

Enzyme present in the saliva is_____________?

35 / 50

Density gradient centrifugation separates the materials on the basis of__________?

36 / 50

Intelligence is under the control of____________?

37 / 50

Animals living in the Tree trunks are known as___________?

38 / 50

Cyanobacteria reproduce by____________?

39 / 50

Strengthening material of prokaryotic cell wall is__________?

40 / 50

Spores produced by slime molds are__________?

41 / 50

Protein which acts as hormone is__________?

42 / 50

Sperms are _________ in origin.

43 / 50

An antibody is made of _________ polypeptide chains?

44 / 50

With different chemical arrangements and formation Of complex molecules, the life emerges on the level of the ?

45 / 50

Which disease can be controlled by vaccination?

46 / 50

In all plants the major sites of phosynthesis are___________?

47 / 50

Stentor is a/an____________?

48 / 50

Gaseous exchange through the skin is known as ______________ respiration?

49 / 50

Microspore of a seed plant that contain male gametophyte including the gamete is called_______________?

50 / 50

Which of the following is an example of ?molecule??

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